/**
 * Copyright (C) 2012-2014 KO GmbH <copyright@kogmbh.com>
 *
 * @licstart
 * This file is part of WebODF.
 *
 * WebODF is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License (GNU AGPL)
 * as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * WebODF is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with WebODF.  If not, see <http://www.gnu.org/licenses/>.
 * @licend
 *
 * @source: http://www.webodf.org/
 * @source: https://github.com/kogmbh/WebODF/
 */

/*
 * This file is a derivative from a part of Mozilla's PDF.js project. The
 * original license header follows.
 */

/* Copyright 2012 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

* {
  padding: 0;
  margin: 0;
}

html > body {
  font-family: sans-serif;
  overflow: hidden;
}

.titlebar > span,
.toolbarLabel,
input,
button,
select {
  font: message-box;
}

#titlebar {
  position: absolute;
  z-index: 2;
  top: 0px;
  left: 0px;
  height: 32px;
  width: 100%;
  overflow: hidden;

  -webkit-box-shadow: 0px 1px 3px rgba(50, 50, 50, 0.75);
  -moz-box-shadow: 0px 1px 3px rgba(50, 50, 50, 0.75);
  box-shadow: 0px 1px 3px rgba(50, 50, 50, 0.75);

  background-image: asset_url('texture.png'), linear-gradient(rgba(69, 69, 69, .95), rgba(82, 82, 82, .99));
  background-image: asset_url('texture.png'), -webkit-linear-gradient(rgba(69, 69, 69, .95), rgba(82, 82, 82, .99));
  background-image: asset_url('texture.png'), -moz-linear-gradient(rgba(69, 69, 69, .95), rgba(82, 82, 82, .99));
  background-image: asset_url('texture.png'), -ms-linear-gradient(rgba(69, 69, 69, .95), rgba(82, 82, 82, .99));
  background-image: asset_url('texture.png'), -o-linear-gradient(rgba(69, 69, 69, .95), rgba(82, 82, 82, .99));

}

#titlebar a, #aboutDialog a, #titlebar a:visited, #aboutDialog a:visited {
  color: #ccc;
}

#documentName {
  margin-right: 10px;
  margin-left: 10px;
  margin-top: 8px;
  color: #F2F2F2;
  line-height: 14px;
  font-family: sans-serif;
}

#documentName {
  font-size: 14px;
}

#toolbarContainer {
  position: absolute;
  z-index: 2;
  bottom: 0px;
  left: 0px;
  height: 32px;
  width: 100%;
  overflow: hidden;

  -webkit-box-shadow: 0px -1px 3px rgba(50, 50, 50, 0.75);
  -moz-box-shadow: 0px -1px 3px rgba(50, 50, 50, 0.75);
  box-shadow: 0px -1px 3px rgba(50, 50, 50, 0.75);

  background-image: asset_url('texture.png'), linear-gradient(rgba(82, 82, 82, .99), rgba(69, 69, 69, .95));
  background-image: asset_url('texture.png'), -webkit-linear-gradient(rgba(82, 82, 82, .99), rgba(69, 69, 69, .95));
  background-image: asset_url('texture.png'), -moz-linear-gradient(rgba(82, 82, 82, .99), rgba(69, 69, 69, .95));
  background-image: asset_url('texture.png'), -ms-linear-gradient(rgba(82, 82, 82, .99), rgba(69, 69, 69, .95));
  background-image: asset_url('texture.png'), -o-linear-gradient(rgba(82, 82, 82, .99), rgba(69, 69, 69, .95));
}

#toolbar {
  position: relative;
}

#toolbarMiddleContainer, #toolbarLeft {
  visibility: hidden;
}

div[dir='ltr'] #toolbarLeft {
  margin-left: -1px;
}

div[dir='rtl'] #toolbarRight {
  margin-left: -1px;
}

div[dir='ltr'] #toolbarLeft,
div[dir='rtl'] #toolbarRight {
  position: absolute;
  top: 0;
  left: 0;
}

div[dir='ltr'] #toolbarRight,
div[dir='rtl'] #toolbarLeft {
  position: absolute;
  top: 0;
  right: 0;
}

div[dir='ltr'] #toolbarLeft > *,
div[dir='ltr'] #toolbarMiddle > *,
div[dir='ltr'] #toolbarRight > * {
  float: left;
}

div[dir='rtl'] #toolbarLeft > *,
div[dir='rtl'] #toolbarMiddle > *,
div[dir='rtl'] #toolbarRight > * {
  float: right;
}

/* outer/inner center provides horizontal center */
div[dir='ltr'] .outerCenter {
  float: right;
  position: relative;
  right: 50%;
}

div[dir='rtl'] .outerCenter {
  float: left;
  position: relative;
  left: 50%;
}

div[dir='ltr'] .innerCenter {
  float: right;
  position: relative;
  right: -50%;
}

div[dir='rtl'] .innerCenter {
  float: left;
  position: relative;
  left: -50%;
}

div[dir='ltr'] .splitToolbarButton {
  margin: 3px 2px 4px 0;
  display: inline-block;
}

div[dir='rtl'] .splitToolbarButton {
  margin: 3px 0 4px 2px;
  display: inline-block;
}

div[dir='ltr'] .splitToolbarButton > .toolbarButton {
  border-radius: 0;
  float: left;
}

div[dir='rtl'] .splitToolbarButton > .toolbarButton {
  border-radius: 0;
  float: right;
}

.splitToolbarButton.toggled .toolbarButton {
  margin: 0;
}

.toolbarButton {
  border: 0 none;
  background-color: rgba(0, 0, 0, 0);
  min-width: 32px;
  height: 25px;
  border-radius: 2px;
  background-image: none;
}

div[dir='ltr'] .toolbarButton,
div[dir='ltr'] .dropdownToolbarButton {
  margin: 3px 2px 4px 0;
}

div[dir='rtl'] .toolbarButton,
div[dir='rtl'] .dropdownToolbarButton {
  margin: 3px 0 4px 2px;
}

.toolbarButton:hover,
.toolbarButton:focus,
.dropdownToolbarButton {
  background-color: hsla(0, 0%, 0%, .12);
  background-image: linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -webkit-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -moz-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -ms-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -o-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-clip: padding-box;
  border: 1px solid hsla(0, 0%, 0%, .35);
  border-color: hsla(0, 0%, 0%, .32) hsla(0, 0%, 0%, .38) hsla(0, 0%, 0%, .42);
  box-shadow: 0 1px 0 hsla(0, 0%, 100%, .05) inset, 0 0 1px hsla(0, 0%, 100%, .15) inset, 0 1px 0 hsla(0, 0%, 100%, .05);
}

.toolbarButton:hover:active,
.dropdownToolbarButton:hover:active {
  background-color: hsla(0, 0%, 0%, .2);
  background-image: linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -webkit-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -moz-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -ms-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -o-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  border-color: hsla(0, 0%, 0%, .35) hsla(0, 0%, 0%, .4) hsla(0, 0%, 0%, .45);
  box-shadow: 0 1px 1px hsla(0, 0%, 0%, .1) inset, 0 0 1px hsla(0, 0%, 0%, .2) inset, 0 1px 0 hsla(0, 0%, 100%, .05);
}

.splitToolbarButton:hover > .toolbarButton,
.splitToolbarButton:focus > .toolbarButton,
.splitToolbarButton.toggled > .toolbarButton,
.toolbarButton.textButton {
  background-color: hsla(0, 0%, 0%, .12);
  background-image: -webkit-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -moz-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -ms-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -o-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-clip: padding-box;
  border: 1px solid hsla(0, 0%, 0%, .35);
  border-color: hsla(0, 0%, 0%, .32) hsla(0, 0%, 0%, .38) hsla(0, 0%, 0%, .42);
  box-shadow: 0 1px 0 hsla(0, 0%, 100%, .05) inset, 0 0 1px hsla(0, 0%, 100%, .15) inset, 0 1px 0 hsla(0, 0%, 100%, .05);
  -webkit-transition-property: background-color, border-color, box-shadow;
  -webkit-transition-duration: 150ms;
  -webkit-transition-timing-function: ease;
  -moz-transition-property: background-color, border-color, box-shadow;
  -moz-transition-duration: 150ms;
  -moz-transition-timing-function: ease;
  -ms-transition-property: background-color, border-color, box-shadow;
  -ms-transition-duration: 150ms;
  -ms-transition-timing-function: ease;
  -o-transition-property: background-color, border-color, box-shadow;
  -o-transition-duration: 150ms;
  -o-transition-timing-function: ease;
  transition-property: background-color, border-color, box-shadow;
  transition-duration: 150ms;
  transition-timing-function: ease;

}

.splitToolbarButton > .toolbarButton:hover,
.splitToolbarButton > .toolbarButton:focus,
.dropdownToolbarButton:hover,
.toolbarButton.textButton:hover,
.toolbarButton.textButton:focus {
  background-color: hsla(0, 0%, 0%, .2);
  box-shadow: 0 1px 0 hsla(0, 0%, 100%, .05) inset, 0 0 1px hsla(0, 0%, 100%, .15) inset, 0 0 1px hsla(0, 0%, 0%, .05);
  z-index: 199;
}

.splitToolbarButton:hover > .toolbarButton,
.splitToolbarButton:focus > .toolbarButton,
.splitToolbarButton.toggled > .toolbarButton,
.toolbarButton.textButton {
  background-color: hsla(0, 0%, 0%, .12);
  background-image: -webkit-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -moz-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -ms-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: -o-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-image: linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-clip: padding-box;
  border: 1px solid hsla(0, 0%, 0%, .35);
  border-color: hsla(0, 0%, 0%, .32) hsla(0, 0%, 0%, .38) hsla(0, 0%, 0%, .42);
  box-shadow: 0 1px 0 hsla(0, 0%, 100%, .05) inset, 0 0 1px hsla(0, 0%, 100%, .15) inset, 0 1px 0 hsla(0, 0%, 100%, .05);
  -webkit-transition-property: background-color, border-color, box-shadow;
  -webkit-transition-duration: 150ms;
  -webkit-transition-timing-function: ease;
  -moz-transition-property: background-color, border-color, box-shadow;
  -moz-transition-duration: 150ms;
  -moz-transition-timing-function: ease;
  -ms-transition-property: background-color, border-color, box-shadow;
  -ms-transition-duration: 150ms;
  -ms-transition-timing-function: ease;
  -o-transition-property: background-color, border-color, box-shadow;
  -o-transition-duration: 150ms;
  -o-transition-timing-function: ease;
  transition-property: background-color, border-color, box-shadow;
  transition-duration: 150ms;
  transition-timing-function: ease;

}

.splitToolbarButton > .toolbarButton:hover,
.splitToolbarButton > .toolbarButton:focus,
.dropdownToolbarButton:hover,
.toolbarButton.textButton:hover,
.toolbarButton.textButton:focus {
  background-color: hsla(0, 0%, 0%, .2);
  box-shadow: 0 1px 0 hsla(0, 0%, 100%, .05) inset, 0 0 1px hsla(0, 0%, 100%, .15) inset, 0 0 1px hsla(0, 0%, 0%, .05);
  z-index: 199;
}

.dropdownToolbarButton {
  border: 1px solid #333 !important;
}

.toolbarButton,
.dropdownToolbarButton {
  min-width: 16px;
  padding: 2px 6px 2px;
  border: 1px solid transparent;
  border-radius: 2px;
  color: hsl(0, 0%, 95%);
  font-size: 12px;
  line-height: 14px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  /* Opera does not support user-select, use <... unselectable="on"> instead */
  cursor: default;
  -webkit-transition-property: background-color, border-color, box-shadow;
  -webkit-transition-duration: 150ms;
  -webkit-transition-timing-function: ease;
  -moz-transition-property: background-color, border-color, box-shadow;
  -moz-transition-duration: 150ms;
  -moz-transition-timing-function: ease;
  -ms-transition-property: background-color, border-color, box-shadow;
  -ms-transition-duration: 150ms;
  -ms-transition-timing-function: ease;
  -o-transition-property: background-color, border-color, box-shadow;
  -o-transition-duration: 150ms;
  -o-transition-timing-function: ease;
  transition-property: background-color, border-color, box-shadow;
  transition-duration: 150ms;
  transition-timing-function: ease;
}

div[dir='ltr'] .toolbarButton,
div[dir='ltr'] .dropdownToolbarButton {
  margin: 3px 2px 4px 0;
}

div[dir='rtl'] .toolbarButton,
div[dir='rtl'] .dropdownToolbarButton {
  margin: 3px 0 4px 2px;
}

.splitToolbarButton:hover > .splitToolbarButtonSeparator,
.splitToolbarButton.toggled > .splitToolbarButtonSeparator {
  padding: 12px 0;
  margin: 0;
  box-shadow: 0 0 0 1px hsla(0, 0%, 100%, .03);
  -webkit-transition-property: padding;
  -webkit-transition-duration: 10ms;
  -webkit-transition-timing-function: ease;
  -moz-transition-property: padding;
  -moz-transition-duration: 10ms;
  -moz-transition-timing-function: ease;
  -ms-transition-property: padding;
  -ms-transition-duration: 10ms;
  -ms-transition-timing-function: ease;
  -o-transition-property: padding;
  -o-transition-duration: 10ms;
  -o-transition-timing-function: ease;
  transition-property: padding;
  transition-duration: 10ms;
  transition-timing-function: ease;
}

.toolbarButton.toggled:hover:active,
.splitToolbarButton > .toolbarButton:hover:active {
  background-color: hsla(0, 0%, 0%, .4);
  border-color: hsla(0, 0%, 0%, .4) hsla(0, 0%, 0%, .5) hsla(0, 0%, 0%, .55);
  box-shadow: 0 1px 1px hsla(0, 0%, 0%, .2) inset, 0 0 1px hsla(0, 0%, 0%, .3) inset, 0 1px 0 hsla(0, 0%, 100%, .05);
}

div[dir='ltr'] .splitToolbarButton > .toolbarButton:first-child,
div[dir='rtl'] .splitToolbarButton > .toolbarButton:last-child {
  position: relative;
  margin: 0;
  margin-left: 4px;
  margin-right: -1px;
  border-top-left-radius: 2px;
  border-bottom-left-radius: 2px;
  border-right-color: transparent;
}

div[dir='ltr'] .splitToolbarButton > .toolbarButton:last-child,
div[dir='rtl'] .splitToolbarButton > .toolbarButton:first-child {
  position: relative;
  margin: 0;
  margin-left: -1px;
  border-top-right-radius: 2px;
  border-bottom-right-radius: 2px;
  border-left-color: transparent;
}

.splitToolbarButtonSeparator {
  padding: 8px 0;
  width: 1px;
  background-color: hsla(0, 0%, 00%, .5);
  z-index: 99;
  box-shadow: 0 0 0 1px hsla(0, 0%, 100%, .08);
  display: inline-block;
  margin: 5px 0;
}

div[dir='ltr'] .splitToolbarButtonSeparator {
  float: left;
}

div[dir='rtl'] .splitToolbarButtonSeparator {
  float: right;
}

.dropdownToolbarButton {
  min-width: 120px;
  max-width: 120px;
  padding: 4px 2px 4px;
  overflow: hidden;
  background: asset_url('toolbarButton-menuArrows.png') no-repeat;
}

.dropdownToolbarButton > select {
  -webkit-appearance: none;
  -moz-appearance: none; /* in the future this might matter, see bugzilla bug #649849 */
  min-width: 140px;
  font-size: 12px;
  color: hsl(0, 0%, 95%);
  margin: 0;
  padding: 0;
  border: none;
  background: rgba(0, 0, 0, 0); /* Opera does not support 'transparent' <select> background */
}

.dropdownToolbarButton > select > option {
  background: hsl(0, 0%, 24%);
}

#pageWidthOption {
  border-bottom: 1px rgba(255, 255, 255, .5) solid;
}

div[dir='ltr'] .dropdownToolbarButton {
  background-position: 95%;
}

div[dir='rtl'] .dropdownToolbarButton {
  background-position: 5%;
}

.toolbarButton.fullscreen::before {
  display: inline-block;
  content: asset_url('toolbarButton-fullscreen.png');
}

.toolbarButton.presentation::before {
  display: inline-block;
  content: asset_url('toolbarButton-presentation.png');
}

.toolbarButton.download::before {
  display: inline-block;
  content: asset_url('toolbarButton-download.png');
}

.toolbarButton.about {
  color: #F2F2F2;
  font-size: 14px;
  font-weight: bold;
  line-height: 14px;
  font-family: sans-serif;
}

.toolbarButton.about::before {
  display: inline-block;
}

.toolbarButton.zoomOut::before {
  display: inline-block;
  content: asset_url('toolbarButton-zoomOut.png');
}

.toolbarButton.zoomIn::before {
  display: inline-block;
  content: asset_url('toolbarButton-zoomIn.png');
}

.toolbarButton.pageUp::before {
  display: inline-block;
  content: asset_url('toolbarButton-pageUp.png');
}

.toolbarButton.pageDown::before {
  display: inline-block;
  content: asset_url('toolbarButton-pageDown.png');
}

.toolbarField.pageNumber {
  min-width: 16px;
  text-align: right;
  width: 40px;
}

.toolbarField {
  padding: 3px 6px;
  margin: 4px 0 4px 0;
  border: 1px solid transparent;
  border-radius: 2px;
  background-color: hsla(0, 0%, 100%, .09);
  background-image: -moz-linear-gradient(hsla(0, 0%, 100%, .05), hsla(0, 0%, 100%, 0));
  background-clip: padding-box;
  border: 1px solid hsla(0, 0%, 0%, .35);
  border-color: hsla(0, 0%, 0%, .32) hsla(0, 0%, 0%, .38) hsla(0, 0%, 0%, .42);
  box-shadow: 0 1px 0 hsla(0, 0%, 0%, .05) inset, 0 1px 0 hsla(0, 0%, 100%, .05);
  color: hsl(0, 0%, 95%);
  font-size: 12px;
  line-height: 14px;
  outline-style: none;
  -moz-transition-property: background-color, border-color, box-shadow;
  -moz-transition-duration: 150ms;
  -moz-transition-timing-function: ease;
}

.toolbarField.pageNumber::-webkit-inner-spin-button,
.toolbarField.pageNumber::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.toolbarField:hover {
  background-color: hsla(0, 0%, 100%, .11);
  border-color: hsla(0, 0%, 0%, .4) hsla(0, 0%, 0%, .43) hsla(0, 0%, 0%, .45);
}

.toolbarField:focus {
  background-color: hsla(0, 0%, 100%, .15);
  border-color: hsla(204, 100%, 65%, .8) hsla(204, 100%, 65%, .85) hsla(204, 100%, 65%, .9);
}

.toolbarLabel {
  min-width: 16px;
  padding: 3px 6px 3px 2px;
  margin: 4px 2px 4px 0;
  border: 1px solid transparent;
  border-radius: 2px;
  color: hsl(0, 0%, 85%);
  font-size: 12px;
  line-height: 14px;
  text-align: left;
  -webkit-user-select: none;
  -moz-user-select: none;
  cursor: default;
}

#canvasContainer {
  overflow: auto;

  padding-top: 6px;
  padding-bottom: 6px;
  position: absolute;
  top: 32px;
  right: 0;
  bottom: 32px;
  left: 0;

  text-align: center;

  background-color: #888;
  background-image: asset_url('texture.png');
}

#canvasContainer.slideshow {
  padding: 0;
  overflow: hidden;
}

#canvasContainer.slideshow > * {
  margin: auto;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.presentationMode {
  top: 0 !important;
  bottom: 0 !important;
  background-color: black !important;
  cursor: default !important;
}

#canvas {
  box-shadow: 0px 0px 7px rgba(0, 0, 0, 0.75);
  -webkit-box-shadow: 0px 0px 7px rgba(0, 0, 0, 0.75);
  -moz-box-shadow: 0px 0px 7px rgba(0, 0, 0, 0.75);
  -ms-box-shadow: 0px 0px 7px rgba(0, 0, 0, 0.75);
  -o-box-shadow: 0px 0px 7px rgba(0, 0, 0, 0.75);

  /*
   * Hide the canvas overflow because otherwise the CSS-scaled 'sizer' child
   * of the canvas will still advertise the original size in Firefox, causing
   * strange scrollbar behavior.
   */
  overflow: hidden;
}

#sliderContainer {
  visibility: hidden;
}

#overlayNavigator {
  position: absolute;
  width: 100%;
  height: 0;
  top: calc(50% - 50px);
  background-color: rgba(0, 0, 0, 0);
  z-index: 3;
  opacity: 0;
  -webkit-transition: opacity 1s ease-out;
  -moz-transition: opacity 1s ease-out;
  transition: opacity 1s ease-out;
}

#previousPage {
  float: left;
  margin-left: 10px;

  /* CSS triangle */
  border-top: 50px solid transparent;
  border-bottom: 50px solid transparent;
  border-right: 50px solid black;

  opacity: 0.5;
}

#nextPage {
  float: right;
  margin-right: 10px;

  /* CSS triangle */
  border-top: 50px solid transparent;
  border-bottom: 50px solid transparent;
  border-left: 50px solid black;

  opacity: 0.5;
}

#previousPage:active {
  opacity: 0.8;
}

#nextPage:active {
  opacity: 0.8;
}

#overlayCloseButton {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  font-size: 35px;
  color: white;
  background-color: black;
  opacity: 0.5;

  width: 40px;
  height: 40px;
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  border-radius: 20px;
  text-align: center;
  cursor: pointer;
  display: none;
}

#overlayCloseButton:active {
  background-color: red;
}

#aboutDialogCentererTable {
  display: table;
  width: 100%;
  height: 100%;
}

#aboutDialogCentererCell {
  vertical-align: middle;
  text-align: center;
  display: table-cell;
}

#aboutDialog {
  width: 280px;
  background-color: #666;
  color: white;
  text-align: center;
  border-radius: 2px;
  box-shadow: 0px 1px 6px black;
  padding: 5px;
  font-style: sans-serif;
  display: inline-block;
}

#aboutDialog h1 {
  font-size: 25pt;
}

#aboutDialog p {
  font-size: 10pt;
}

#aboutDialog > * {
  margin: 10px;
}

#dialogOverlay {
  position: absolute;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 100%;
  z-index: 3;
  background-color: rgba(0, 0, 0, .5);
  overflow: auto;
  display: none;
}

@media only screen and (max-device-width: 800px) and (max-device-height: 800px) {
  #canvasContainer {
    top: 0;
    bottom: 0;
  }

  #overlayNavigator {
    height: 100px;
    pointer-events: none;
  }

  #nextPage, #previousPage {
    pointer-events: all;
  }

  #titlebar, #toolbarContainer {
    background-color: rgba(0, 0, 0, 0.6);
    background-image: none;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    transition: all 0.5s;
  }

  #titlebar {
    top: -32px;
  }

  #titlebar.viewer-touched {
    top: 0px;
  }

  #toolbarContainer {
    bottom: -32px;
  }

  #toolbarContainer.viewer-touched {
    bottom: 0px;
  }

  .viewer-touched {
    display: block;
    opacity: 1 !important;
  }

  #next, #previous {
    display: none;
  }
}
